Charango Chord Chart and Tabs in Ronroco alternative Bolivian Tuning

Am7b9, A-7b9
Notes: A, C, E, G, B
10,7,10,7,7 (21311)
10,7,7,7,10 (21113)
10,11,10,10,0 (1423.)
9,7,10,8,7 (31421)
9,7,7,8,10 (31124)
10,11,0,10,10 (14.23)